feat(source2): push all latest files - device labeling, help system, proxy docs, database isolation fix

- Added DOKUMENTASI-FILTER-PER-SITE.md (site isolation docs)
- Fixed start-with-env.js to force-load .env.production
- Fixed MONGODB_URI hostname from mongodb-netify to mongodb.prod.proit.id
- Updated .gitignore to exclude sensitive scripts and credential files
- Minor UI and labeling improvements

test/test-write-persistence.js

@@ -0,0 +1,26 @@
+const proxyMongoose = require('../proxy/node_modules/mongoose');
+const { LookupApp } = require('../proxy/models/Schemas');
+
+async function main() {
+  const uri = 'mongodb://127.0.0.1:27017/backone_dpi';
+  await proxyMongoose.connect(uri);
+  
+  console.log('Inserting dummy LookupApp...');
+  await LookupApp.deleteMany({});
+  const doc = await LookupApp.create({
+    id: 99999,
+    tag: 'netify.dummytest',
+    label: 'Dummy Test App',
+    name: 'Dummy Test App',
+    description: 'A test document to verify write persistence',
+    application_category: { id: 1, name: 'test', label: 'Test', tag: 'test' }
+  });
+  console.log('Created document id:', doc._id);
+  
+  const count = await LookupApp.countDocuments({});
+  console.log('Count inside writer:', count);
+  
+  await proxyMongoose.disconnect();
+}
+
+main().catch(console.error);